知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

13 条记录 (耗时 0.013 秒)

    Method of mapping monitoring point in CCTV video for video surveillance system
    1.
    发明授权
    Method of mapping monitoring point in CCTV video for video surveillance system 有权

    公开(公告)号：US11588975B2

    公开(公告)日：2023-02-21

    申请号：US17497113

    申请日：2021-10-08

    申请人： Tae Woo Kim ,  Sungjin Lee

    发明人： Tae Woo Kim ,  Sungjin Lee

    IPC分类号： H04N5/232 ,  G06T7/73 ,  G06V20/52

    摘要： The present invention generally relates to a technology of accurately mapping a specific point in CCTV video onto the corresponding point on a map. More specifically, the present invention relates to a technology of mapping a specific point in CCTV video onto the corresponding point on a map through coordinate transformation between pixel coordinate of canvas plane of the CCTV camera and global coordinate of physical space for the video surveillance system. The present invention may provide an advantage of improving the efficiency of video surveillance system. When an urgent situation is found in CCTV video, the location in which the urgent situation is occurring may be accurately specified, which renders an effective action possible.

    Method of providing random access for video data based on random accessible P-frame
    4.
    发明授权
    Method of providing random access for video data based on random accessible P-frame 有权

    公开(公告)号：US10341665B2

    公开(公告)日：2019-07-02

    申请号：US15486074

    申请日：2017-04-12

    申请人： Hyunseong Bae ,  Youngju Heo ,  Sungjin Lee

    发明人： Hyunseong Bae ,  Youngju Heo ,  Sungjin Lee

    IPC分类号： G06K9/36 ,  H04N19/159 ,  H04N19/172 ,  H04N19/46 ,  H04N19/70 ,  H04N19/573

    摘要： The invention generally relates to a method of providing random access for video data in which a P-frame of the video data is configured to be random accessible in addition to I-frames. More specifically, the invention relates to a method of providing random access for video data in which a P-frame is configured to be random accessible based on a random access reference frame which is provided via a separate channel such as header area of video data packets or a metadata file, whereby the random access for video data may be effectively provided with overcoming the conventional video random access technology depending on the I-frame only. The invention makes it possible to configure a P-frame random accessible simply by accompanying a random access reference frame of small datasize, whereby video compression ratio may be improved due to smaller numbers of I-frames being included in video data than conventional arts.

    METHOD OF DETECTING CRITICAL OBJECTS FROM CCTV VIDEO USING METADATA FILTERING
    5.
    发明申请
    METHOD OF DETECTING CRITICAL OBJECTS FROM CCTV VIDEO USING METADATA FILTERING 审中-公开

    公开(公告)号：US20180241972A1

    公开(公告)日：2018-08-23

    申请号：US15486109

    申请日：2017-04-12

    申请人： Sungjin LEE ,  Taewoo KIM

    发明人： Sungjin LEE ,  Taewoo KIM

    IPC分类号： H04N7/18 ,  G06T7/194 ,  G06K9/00

    CPC分类号： H04N7/181 ,  G06K9/00771 ,  G06K2209/27 ,  G06T7/194 ,  G06T2207/10016 ,  G06T2207/30232 ,  H04N7/188

    摘要： The invention provides a method of detecting critical objects out of video produced in CCTV cameras. More specifically, the invention provides a method of detecting critical objects out of CCTV video, in which lightweight algorithms of foreground segmentation and blob analysis are applied to the CCTV video in order to detect moving objects and then object filtering is performed based on distribution characteristics of metadata in order to propose critical objects contained in the CCTV video, whereby a few staff members in the integrated control center may efficiently monitor display screen of a large number of CCTV cameras. The invention makes it possible to detect critical objects out of CCTV video with utilizing lightweight algorithms, which enables real-time processing by video analysis servers of normal computing power. Therefore, the efficiency of integrated control centers may be improved where massive CCTV videos are gathered from a large number of CCTV cameras.

    Method for Identifying Still Objects from Video
    7.
    发明申请
    Method for Identifying Still Objects from Video 有权

    公开(公告)号：US20220189037A1

    公开(公告)日：2022-06-16

    申请号：US17379425

    申请日：2021-07-19

    申请人： JONG HEON LIM ,  HYUN WOO LEE ,  SEUNG HOON JUNG ,  SUNGJIN LEE

    发明人： JONG HEON LIM ,  HYUN WOO LEE ,  SEUNG HOON JUNG ,  SUNGJIN LEE

    IPC分类号： G06T7/20 ,  H04N7/18

    摘要： The present invention generally relates to a technology of detecting a stationary object in a static video, i.e., a video which is generated by a camera with a fixed view, such as a CCTV video. More specifically, the present invention relates to a technology of identifying a stationary object by use of inference information (Tensor, Activation Map) of Deep Learning object detector among objects which have been detected in a static video such as a CCTV video. According to the present invention, it is possible to lower the priority of stationary objects (e.g., parked vehicles) in processing a static video so that computing resource of the video analysis system can be effectively utilized in the process after object detection so as to enhance the performance of image analysis.

    Method of detecting a moving object by reconstructive image processing
    8.
    发明授权
    Method of detecting a moving object by reconstructive image processing 有权

    公开(公告)号：US10303952B2

    公开(公告)日：2019-05-28

    申请号：US15473397

    申请日：2017-03-29

    申请人： Sungjin Lee ,  Taewoo Kim

    发明人： Sungjin Lee ,  Taewoo Kim

    IPC分类号： H04N7/18 ,  G06K9/00

    摘要： Disclosed is a method of detecting a moving object in video produced in a plurality of CCTV cameras. In the present invention, a video reconstruction is applied to the CCTV storage video in order to significantly reduce the amount of video data, and then an image processing is performed on the reconstructed storage video in order to detect a moving object and further to extract metadata thereof. According to the present invention, staff members of the integrated control center may efficiently search any possible critical objects in the CCTV storage video.

    Method of detecting critical objects from CCTV video using metadata filtering
    9.
    发明授权
    Method of detecting critical objects from CCTV video using metadata filtering 有权

    公开(公告)号：US10271018B2

    公开(公告)日：2019-04-23

    申请号：US15486109

    申请日：2017-04-12

    申请人： Sungjin Lee ,  Taewoo Kim

    发明人： Sungjin Lee ,  Taewoo Kim

    IPC分类号： H04N7/00 ,  H04N7/18 ,  G06T7/194 ,  G06K9/00

    摘要： The invention provides a method of detecting critical objects out of video produced in CCTV cameras. More specifically, the invention provides a method of detecting critical objects out of CCTV video, in which lightweight algorithms of foreground segmentation and blob analysis are applied to the CCTV video in order to detect moving objects and then object filtering is performed based on distribution characteristics of metadata in order to propose critical objects contained in the CCTV video, whereby a few staff members in the integrated control center may efficiently monitor display screen of a large number of CCTV cameras. The invention makes it possible to detect critical objects out of CCTV video with utilizing lightweight algorithms, which enables real-time processing by video analysis servers of normal computing power. Therefore, the efficiency of integrated control centers may be improved where massive CCTV videos are gathered from a large number of CCTV cameras.

    Caching method of graphic processing unit
    10.
    发明授权
    Caching method of graphic processing unit 有权

    公开(公告)号：US10140681B2

    公开(公告)日：2018-11-27

    申请号：US15457649

    申请日：2017-03-13

    申请人： Changseo Kee ,  Youngju Heo ,  Sungjin Lee

    发明人： Changseo Kee ,  Youngju Heo ,  Sungjin Lee

    IPC分类号： G06T1/20 ,  G06T1/60

    摘要： The present invention relates to a caching method of multi-core graphic processing unit (GPU) for improving image processing performance by efficiently storing video data into the cache memory out of the global memory. One aspect of the present invention is to provide a caching method of graphic processing unit (GPU) having multiple cores wherein at least a part of pixels out of A*B pixels of video data are cached into a cache memory in order to perform image processing on k pixels of N*N size (where, k, N, A and B are natural numbers; k=N*N; A>N; B>N), the method comprising: grouping the at least a part of pixels out of A*B pixels into k pixel groups; mapping the k pixel groups to k cores of the GPU one-to-one basis by utilizing index information of each of the k pixels; and storing video data of the k pixel groups in the cache memory with reference to the mapping result.